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ZIP Code 78021, Texas

ZIP Code 78021 profile, demographic data, and geographic information.

ZCTA5 78021 is a 5-digit ZIP Code area located in La Salle County / McMullen County, Texas. As of official census estimates, it has a reported population of 165. The land area covers 295.19 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 165 ±184 2020-2024 / Census ACS 5-Year 2024
Median Age 12.9 yrs ±53.7 2020-2024 / Census ACS 5-Year 2024
Total Households 51 ±50 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 55 ±51
Occupied Housing Units 51 ±50
Vacant Housing Units 4 ±6
Median Home Value Suppressed —
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income Suppressed —
Per Capita Income $27,105 ±$32,121
Poverty Rate 0% ±9.1%
Population Below Poverty Level 0 ±15
Unemployment Rate 0% ±22.1%
Civilian Labor Force, Employed 68 ±68
Broadband Internet Rate 100% ±0%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
COUNTY OF LA SALLE
GUS Population: 6,679 (2024)
ID: 113504
County Official County Government
Contact: COUNTY JUDGE
101 COURTHOUSE SQ, STE 104, COTULLA TX 78014-2263

Education

No public or private school records currently linked for this geographic area.
Search nationwide schools directly on K12Guides.com →

Community Facilities & Infrastructure

Displaying 1 civic institution across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ALEXANDER MEMORIAL LIBRARY
Library 24.6 mi away 201 CENTER ST, COTULLA, TX, 78014
(830) 879-2601
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at FOWLERTON, TX US, located 4.6 miles from ZCTA5 78021. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 67.5° 39.2° 53.4° 1.47" 0.0"
February 72.2° 43.5° 57.9° 1.08" 0.0"
March 78.5° 50.4° 64.5° 2.11" 0.0"
April 85.6° 56.7° 71.1° 1.82" 0.0"
May 91.4° 65.9° 78.7° 3.43" 0.0"
June 96.7° 71.4° 84.0° 2.65" 0.0"
July 98.5° 72.7° 85.6° 2.80" 0.0"
August 99.7° 72.7° 86.2° 1.97" 0.0"
September 93.3° 68.1° 80.7° 3.86" 0.0"
October 86.7° 58.8° 72.7° 2.30" 0.0"
November 76.1° 48.5° 62.3° 1.32" 0.0"
December 68.3° 40.7° 54.5° 1.45" 0.2"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Fowlerton CDP CDP 1.7 mi —
Tilden CDP CDP 17.2 mi —
Cotulla city City 24.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 78021. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.